Zakynthos weather in May
May in Zakynthos: nice, dry, with very humid — an excellent time to visit.
#5 of 12 months in Zakynthos · #451 of 897 destinations to visit in May · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Zakynthos in May
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Zakynthos climate normals — May
| Daytime high | 21°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 17°C / 63°F | |
| Rainfall | 22 mm / 0.9 in | ☀️ dry |
| Rainy days | 6 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 16°C / 61°F | |
| Sunshine | 12.3 h/day | |
| Daylight | 14.2 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 56 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Zakynthos in May — FAQ
- Is May a good time to visit Zakynthos?
- May in Zakynthos: nice, dry, with very humid — an excellent time to visit. It ranks #5 of 12 months for Zakynthos on SeasonMap's comfort score (83/100).
- What is the weather like in Zakynthos in May?
- In May, Zakynthos averages a daily high of 20.6°C and a low of 17.4°C, with about 22.1 mm of rain over roughly 5.6 rainy days.
- What is the air quality in Zakynthos in May?
- Zakynthos has a mean US Air Quality Index of about 56 in May.